<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <link
      rel="stylesheet"
      href="//at.alicdn.com/t/font_1891092_oa3swx3uqx.css"
    />
    <link rel="stylesheet" href="index.css" />
    <title>Document</title>
  </head>
  <body>
    <div class="container">
      <div class="topbar">
        <div class="time">12:20</div>
        <div class="right">
          <span class="rate">200k/s</span>
          <i class="iconfont iconsignal"></i>
          <i class="iconfont iconwifi"></i>
          <i class="iconfont iconBatterychargeveryhigh"></i>
        </div>
      </div>
      <div class="title">CALCULATOR</div>
      <div class="calculator">
        <div class="txt">0</div>
        <input class="btn1 btn_click" type="button" value="AC" />
        <input class="btn1 btn_click" type="button" value="DEL" />
        <input class="btn btn1" type="button" value="%" />
        <input class="btn btn1" type="button" value="+" />
        <input class="btn" type="button" value="7" />
        <input class="btn" type="button" value="8" />
        <input class="btn" type="button" value="9" />
        <input class="btn btn1" type="button" value="-" />
        <input class="btn" type="button" value="4" />
        <input class="btn" type="button" value="5" />
        <input class="btn" type="button" value="6" />
        <input class="btn btn1" type="button" value="*" />
        <input class="btn" type="button" value="1" />
        <input class="btn" type="button" value="2" />
        <input class="btn" type="button" value="3" />
        <input class="btn btn1" type="button" value="/" />
        <input class="btn btn0" type="button" value="0" />
        <input class="btn" type="button" value="." />
        <input class="btn btn1" type="button" value="=" />
      </div>
    </div>
    <script src="index.js"></script>
  </body>
</html>
